Sigma and Sequences

Determine the sum of the series written in Sigma Notation. 

• 45
• 49
• 90
• 47

Tags

CCSS.7.EE.B.3

CCSS.7.NS.A.1

CCSS.7.NS.A.3

Determine the sum of the series written in Sigma Notation. 

• -1
• 244
• 270
• 255

Tags

CCSS.HSA.SSE.B.4

What is the sum of the first ten terms of the sequence 4, -12, 36, . . . ?

• 59,050

• -59,048

• -78,732

• 118,096

You have $10 in you bank account.  It doubles every month.  How much money will you have after 5 months?

• $50
• $35
• $320
• $250

Evaluate (that is, find the sum) the geometric series below:

4 8 16 32..., n = 7

• 195

• 508

• 202

• 145

Evaluate the geometric series below:
a₁ = -2, a_n = -1458, r = 3

• -2186
• -2408
• 1
• -2703

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

Which formula is used to find the explicit equation for arithmetic sequences?

• a_n = a_n-1 + d
• a_n = a_n-1 * r
• a_n = a₁ + d(n-1)
• a_n = a₁ * r^n-1

Tags

CCSS.HSF.BF.A.2

Find the general rule for: 64, -32, 16, -8, …  

• 64(1/2)^n-1
• (-32)^n-1
• 64(-1/2)^n-1
• (32)^n-1

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.2

What does r represent?

• Radical

• Common difference

• Common ratio

Tags

CCSS.HSF.BF.A.2

What does a₁ represent?

• Any term

• First term

• Last term

Tags

CCSS.HSF.BF.A.2